Description of SPAC demo software and installation - BKtel

More documents

Recommendations

Info

To try out the tool SPQA (Subjective PictureQuality Assessment), the selected channel listmust use modulated carriers.To do this, open the channel list with“Channels->Edit Channel Table…“ and mark“modulated carriers“.After the acceptance with start a newcalculation with “Calculate!“.BKtel systems 26.07.2004 Seite 6/8
The tool starts with „SPQA!” inthe SPAC menu bar.It uses the CNR value 50.2 dB,which was calculated fromSPAC.In full version SPAC takes overalso the CSO and CTB values.But in demo version, they arefixed to 65 dB.CNR and CSO/CTB may be adjusted with “Distortions…”.Decreasing carrier to noise ratio (less CNR) leads to increasing noise distorted pictures.Less distance of intermodulation distortions (less CSO/CTB) leads to moirée effects.BKtel systems 26.07.2004 Seite 7/8
Page 1 and 2: SPAC (System Performance Analysis f
Page 3 and 4: An additional doubleclick on the mo
Page 5: This is the result of the simulatio

Description of SPAC demo software and installation - BKtel

Create successful ePaper yourself

Delete template?

Save as template?